Wrapping machine



May 15,- 1928.

H. F. FREEMAN WRAPPING MACHINE Filed Oct. 9, 1922 4 snags-sheet 1 79 j iva 6 w e 5 W m. m o 5 A u m. Z 9 a 0 #W# L Q I. In J. A M J. L 1 A W a/ v m Wfi W I u a a 9 3...

May 15, 1928.

H. F. FREEMAN WRAPPING MACHINE Filed Oct" 4 Sheets-Sheet, 2

May 15, 1928.

H. F. FREEMAN WRAPPING MACHINE Filed Oct. 9, 1922 I 4 Sheets-Sheet 3 May 15, 1928.

, 1,669,513 H. F. FREEMAN WRAPPING MACHINE Filed Oct. 9. 1922 4 Sheets-Sheet 4 wuA I '1 I nu. I I

K I .Il 1 I l I INVNTOR- Patented May 15 1928.-

: UNITED STATES HADLEY r; rnnnm, or nrnwauxnn, Wisconsin.

WRAPPING MACHINE.

Application filed October 8, 1922. Serial ll'o.-598,488.

My invention relates to machinery and the principal object of my invention is to provide new and improved machinery for varioususes. In the drawings accompany ing this specification .and forming a part thereof 1. have shown, for purposes of illustration, three forms which my invention may assume. In these drawings:

Figure 1 is a front elevation of one of these forms, N

. Figure 12 is a side elevation of the form shown in Figure l, i I

Figure 3'is a section on the line 3-3 of Figure 1, f a

Fi ure 4 is a scction'similar to Figure 3 but s owing the second form,

1 Figure 5 is a detailed view of a. portion of this second form,

Fi re 6 isa view similarto Figure 1 show ng a third form,

Figure 7 is a section on'the llne 7-7 of Figure 6. v The machine shown in-Figures 1, 2, and 3comprises an electric stat'orll mounted on a suitable base 12 and provided with a gap 13 whichmay be bridged by a pair 0 U shaped pieces 14 serving to complete the magnetic circuit of thestator 11 and either wound with .a continuation of the stator winding. 15 suitably attenuated to 'piovidev the same number of-poles as would provided were the stator continued directly across the gap 13 or else unwound as shown in the drawings in which the stator winding is shown as terminating at the edges of the gap 13. Suitably mountedin the stator 11 are a pair of bearing rings 16 made of'any suitab e non-magnetic material such as nonmagnetic steel and adapted to provide race- 40 ways for roller bearings 17 co-operatin race-ways for'which consist of a pair 0% similar nonmagnetic rings 18 fixed] se-' cured to and supporting a rotor 19 which is. preferably of the squirrel cage type provided with bars 20 and slotted to provide a gap 34 adapted to co-operate with the gap 13 in the stator 11. Suitably mountedin a depression 21 in the rotor 19 is detent 'or do 22 pivoted to the rotor at 2 and pro:

vi ed w th a tooth 24 adapted to engage a shoulder 25 in the stator 11 when the dog is forced outwardly. under the action (if a compression spring 26 but also provided with a i scribed is set in motion by moving the switch verse position whereu' ona low volta e cur-,-

weighted reverse end 27 adapted to be thrown outwardly during rotation of the 5 rotor until the tooth 25 lies in the depression 28 in the rotor 19 and the entiredogis carried out of contact with the stator 11.- In the drawings the machine above described is shown as wound for three-phase current and is controlled by a three-pole switch,29 provided with a running position 30, a neutral position 31, and a reverse position 32. This switch may conveniently take the form of afoot operated switch biased to reverse position in any suitable manner as by a spring or gravity and operable through neutral position into forward position.

The dynamo electric machine above de- 29 into. forward position whereupon the current is supplied to the stator winding 15 and the rotor 19 caused to rotate counter-clock- Wise or in the direction of the arrow as shown in Fi ure 1. So ion as rotation of the rotor is desired the switc is held-in this forward position but when it is desired to. stop the rotor the switch is released and moves through neutral position into the re rentis supplied to t e'stator winding 15 through the transformers '33 to rapidly stop I the rotor and then startitirotating in the reverse direction. When the rotor sto s, however, the spring 26 will act to press t e tooth 24 of the dog 22 outwardly so that at the first opportunity during reverse movement .of the rotor this tooth w ll engage the shoulder25 ofthe stator 11 and bring the rotor to rest at that point at which the. gap 34 therein is aligned with the gap 13 in the stator 11.

While I mayutilize this machine for a I variety of purposes I have "in mind the utili- =zation thereof for wrapping annular articles such as automobile casin s and for this purpose. I have provided t 0 machine with a pair of concaved rollers 35 supported on; shafts 36 seated in bearin' 37 carried by brackets 38 and 39 adjustab ylmounted upon the U sha (1 pieces 14 of t e stator 11 means of Its 40 screw-threaded into the shaped pieces'14 and passing throu lifislots 41 m thebrackets 38 and 39. The rackets 39m provided with extensions 42 provided 105 with bearings 43 adapted tosupport -5 44 carryin meshing wl th at their inner ends pinions 45 gears 46 carried by the shafts 36 and at their outer ends bevel gears 47 meshing with co-operat-ing bevel gears 48 carried by a cross-shaft 49 which also carries a drum 50 adapted to be engaged and It ring 53 carried by the rotor 19 whereby the pulleys 35 are driven by the'rotor 19 at a speed bearing a fixed relation to the speed a 58 may of the rotor 19 so that a casing 54 supported by the rollers 35 will be advanced a fixed distance for eachrotation of the rotor. Rising from the stator 11 are apair of uprights 54 provided at their upper ends with offsets 55 carry' a shaft 56 on which is ivotedly mounte a weighted arm 57 car ing at its free end a roller 58 similar to t e rollers 35 and adapted to engage the u per outer periphery of the casing 54 to hol the casing in are 35. It will-be understood that this roller also be driven if desired and also that the drive may be omitted from one of the rollers 35 and in general that the casing may be'driven in any suitable manner.

Suitably mounted upon the rotor 19 in any desired manner as by means of a shaft 59 carried by brackets 60 mounted on the rotor 19 is a roll 61 of wrap ing material 64 adapted .to be wound about't e tire 54 and to be restrained from undue movement by a friction brake 62 ap lied to. the periphery thereof and carried l iy the rotor 19 in any manner operative to cause it to continuously press against the roll 61 as by a leaf spring It will be uderstood from the above description that with the rotor at rest the easing 54 is placed in position and the end of the wrapper 64 held in osition upon the casing after which the switch 29 is operated to cause rotation of the rotor and thereby cause thewrapper 64 to wrap about the cas- 54 while the casing 54- is uniformly in ad vanced to cause a uniform spiral of paper subsequent operation.

vertical adjustment of the rollers 35 v eccentric sup understood t to be applied to the casin to form a continuous covering therefor. fter this wrapping has rogressed completely around the casing switch 29 is returned to reverse -pos1- tion whereupon the rotor' 19 is rapidly stopped and brought into position wit its gap 34 aligned wit vthe gap 13 of the stator 11 and the wrapped casing removed and an unwrapped casi substituted ready for a It will be understood that the brackets 38 and 39 are adjustable vertically to rmit w ereby these rollers may support any size tir e exactly centrally of the rotor an thus elnn nate vibration which might result from rt of'the casing. It willbe firm engagement against the rollat the drive between the belt.

ring 53 and theroller 50 issuch'that these adjustments may be made without any change in this drive althougkhe if necessary a compensating pulley may em'plo ed to take up any slack in the belt 51 beca use of chan e in v also e un erstood that the wrapping material 64 may be provided other than in a roll and that the rol may be otherwise supported and that the wrapping material may be assed throu h an fore it P635188 t e casing 54. It will also osition of thedrum 50. It will suitable train'of devices beunderstood that the rotation'of the rotor may be controlled in any other suitable manner and also that the within control may be ap liedto other types of machines 11 Figures 4 an 5 I have shown portions of a, machine similar to the machine shown in Figures 1, 2, and 3 but difiering from that machine in that the rotor 70 instead of being supported from the stator 71 is supporte from an internal annular'segmental 72 by means of two sets of roller bearings 7 3. This internal bearing 72 is in turn supported by a bracket 74 preferably integral therewith and secured to the base 75 in any suitable manneras b welding.

In Figures 6 and I have shown a third form within the rotor 81 which is mounted thereon in any .suitablemanner as by means 0t 82 en ging non-magnetic rings 83 and carrie .b the stator80 and rotor 81 respectively.- e stator 80 is also provided with a depending arm 85 secured to the base 86 andwith suitable U shaped members 87 adapted to complete the magnetic circuit of the stator 80 and-to also serve as a bearin the rollers 35 an adapted'to be driven in substantially the same manner. :The base 86 also carries a second arm' 89 adapted to support a second roller 90 arranged to coroller bearings operate withthe roller 88 to su port the cas ing 54 and adapted to be also riven in any su table manner if so desired. The wrap ping mechanism is shown in the form of a roll 91 mounted upon a shaft 92 carried by a bracket 93 positioned upon-the rotor 84 in ofiset position. Y

It will be understood that if desired the for a roller 88 similar to 165 v earing in which; the stator 80 is positioned rotor may also be provided with U shaped members to 'c'bmpletethe magnetic circuit thereof, that the loop completing) the magnetic circuit of the stator may e omitted if desired, that this stator loop if used may be wound to continue the stator winding, 1 and that the electric machine and infact thev entire machine herein disclosed may be used for other purposes and controlled in other gays vhile the 'control'herein disclosed may use and the papersup on other machines. In addition to this the method of sufipgorting the rotor, th and f annular stationary and rotatin in general this entire disclosure is illustratrve only and my invention is not limited thereto.

I claim:

1. A machine comprising an electric stator, an electric rotor formed to permit the placement of an article in position to be wrapped, and means carried by said rotor arranged to support wrapping material in position to wrap said article upon rotation of said rotor.

2. Article wrapping mechanism, comprising a rotary electric motor, and means carried by the rotating element of said motor formed to carry material for wrapping the article upon rotation of said element.

3. Article wrapping mechanism, comprising a rotary. electric motor having an annular rotatin" element formed to permit the presence within said element of a part of the article to be wrapped, and means carried by said element formed to carry material for wrapping saidarticle upon rotation of said element.

4. Article wrapping mechanism, comprising a rotary electric motor having a segmental annular rotating element formed to permit insertion, through the ap in said element, of a part of the article toie wrapped,

and the presence of said part within said element, and means carried by said element formed to carry material for wra ping said article upon rotation of said .e ement. i

5. Article wrapping mechanism, comprising a: rotary electric motor having se ental formed to permit the insertion, t rough the annular stationary and rotatin 1 formed to permit the insertion, t rou h the gapein said elements, of a part of'the article to wrapped, and thepresence of said part within said elements, and means carried by said rotating element formed to carry material forwrapping said article upon rotation of said rotating element. I

6. Article wrapping mechanism, comprising a rotary electric motor having segmental elements gaps'in said elements, of a part of t e ar- .ticle to be wrapped, and the resence'ofsaid part within said elements, t e open ends of said stationary element bein connected-by a path of low reluctance disp aced to permit such insertion and presence, and means car- .ried carry material for wrapping said article upon rotation of said rotating element.

7. Article wrap ing mechanism, comprising a rotary electric motor having segmental Y e em nts' annular stationary j and rotatin formed to permit the insert1on,-t rough the ga sin said-elements, of apart ofthe article to wrapped, and the presenceof said part within 'sai elements, the 0 en ends ofsaid elements being connected y paths of !low e ementsby said rotating element formed to reluctance displaced to permit such insertion and presence, and means carried by said rotating element formed to carry material for wrapping said article upon rotation of said rotating element.

8. Article wrapping mechanism, comprising a rotary electric motor having segmental annular stationary and rotating elements formed to permit the insertion, throu h the gaps in said elements, of a part of tie ar ticle to be wrapped, andthe presence of said part within said elements, the open ends of said stationary element being connected by a path of low reluctance displaced to per mil; such insertion and presence, means carried by said rotating element formed to carry material for wrapping said article upon rotationof said rotating element, and

means-carried by said path to support the article being wrapped. j

9. Article wrapping mechanism, comprising a rotary electric motor having a segmental annular rotatingelement formed to perupon rotation of said element, and" means for controlling the rotation Ofsaid'element arranged to automatically ahne said element, upon cessation of rotation thereof, in

position to permit insertion or withdrawal of said article througlalsaid ga 10. Article wra pi g mec anism, comprising a rotary e ectr1c motor having seg mental annular stationary and rotating elements formed to permit the insertion, through the gaps in said elements, of'a part of the article to be wrapped, and the presence of said part within said elements, means carried by said rotary element formed to carry material for wrapping said article upon rotation of said rotating element, and means for controlling the rotation of said rotating element arranged to automatically position said rotating element, upon cessation' of rotation thereof, with its gap in alinement with element.

11. Article wrappin mechanism, comprising a rotary electricmotor having an annular'rotating element formed to permit the gap in said stationary the presence within said element'of .a' part- Iofthe' article to be wrapped,means carried by\ said element forme tof'carry material -for wrapping said article upon rotation of said element, and means. actuated by said.

element arranged -toadvance said article upon rotation of said element. 12. 'Article wrapping mechanism,;' comprisin a rotary electric motor having a sag-- menta annular rotating element formed to permit insertion, throu hthe ga ioo in said element, of a part 0 an artic e to be 4 in said element, means carried by said element formed to carry material for wrapping-said article uponrotation of said element, and means actuated by said element arranged to advance said article upon rotation of said element.

13. Article wrapping mechanism comsitioned I prising a shuttle arranged to beto permit introduction and with rawal of the article, means for operating said shuttle arranged, upon cessation of wrapping action, to cause slow retrograde movement of said shuttle, and means arranged to halt said retro positioned to permit such introduction and withdrawal. I v

14. Article wrapping mechanism comprising a shuttle arranged to'be ositioned tov permit introduction and with rawal of the article, an electric motor for operating said shuttle, a switch arran ed to cause normal forward movement of said motor or slow speed retrograde movement of said motor, and means arranged to halt said retrograde movement with said shuttle so ade movement with 'said shuttle so" positioned to withdrawal. 7

15. Article wrapping mechanism comprising a shuttle arranged to be positioned to permit introduction and withdrawal of the article, means for operating said shuttle.

the article, an electric rotor for operating said shuttle, a switch arranged to cause normal forward movement of said motor or slow speed retrograde movement of said motor, and means arranged to halt said retrograde movementv positively and with said shuttle 50. positioned to permit such introduction and withdrawal.

In testimon whereof I have signed my name to the a ove specification.

- HADLEY -F. FREEMAN.

permit such introduction and 

